BE1007816A3 - Procede de preparation de polycarbonates. - Google Patents

Procede de preparation de polycarbonates. Download PDF

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Publication number
BE1007816A3
BE1007816A3 BE9301323A BE9301323A BE1007816A3 BE 1007816 A3 BE1007816 A3 BE 1007816A3 BE 9301323 A BE9301323 A BE 9301323A BE 9301323 A BE9301323 A BE 9301323A BE 1007816 A3 BE1007816 A3 BE 1007816A3
Authority
BE
Belgium
Prior art keywords
hydroxyphenyl
bis
inert gas
polycarbonates
molten state
Prior art date
Application number
BE9301323A
Other languages
English (en)
French (fr)
Inventor
Wolfgang Alewelt
Steffen Kuehling
Hermann Kauth
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of BE1007816A3 publication Critical patent/BE1007816A3/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates
    • C08G64/307—General preparatory processes using carbonates and phenols
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE9301323A 1992-12-03 1993-12-01 Procede de preparation de polycarbonates. BE1007816A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4240587A DE4240587A1 (de) 1992-12-03 1992-12-03 Verfahren zur Herstellung von Polycarbonaten

Publications (1)

Publication Number Publication Date
BE1007816A3 true BE1007816A3 (fr) 1995-10-31

Family

ID=6474240

Family Applications (1)

Application Number Title Priority Date Filing Date
BE9301323A BE1007816A3 (fr) 1992-12-03 1993-12-01 Procede de preparation de polycarbonates.

Country Status (6)

Country Link
US (1) US5444148A (it)
JP (1) JP3218134B2 (it)
BE (1) BE1007816A3 (it)
DE (1) DE4240587A1 (it)
IT (1) IT1265214B1 (it)
NL (1) NL9302110A (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3866299B2 (ja) * 1993-07-06 2007-01-10 出光興産株式会社 ポリカーボネートの製造方法
KR100318656B1 (ko) * 1996-04-11 2002-04-22 야스이 쇼사꾸 방향족폴리카보네이트수지의제조방법
SG101544A1 (en) 1998-04-27 2004-01-30 Teijin Ltd Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof
EP1304344A4 (en) * 2000-07-24 2004-11-24 Teijin Ltd PROCESS FOR PRODUCING POLYCARBONATE
KR100467668B1 (ko) * 2002-08-07 2005-01-24 씨제이 주식회사 1,2,4-트리아졸 유도체, 그 제조방법 및 약제학적 조성물
KR100470075B1 (ko) * 2002-11-21 2005-02-05 씨제이 주식회사 1,2,4-트리아졸 유도체, 그 제조방법 및 약제학적 조성물
SG183052A1 (en) 2007-07-31 2012-08-30 Mitsubishi Chem Corp Polycarbonate resins and methods for preparing the same
CN116355193A (zh) * 2023-03-20 2023-06-30 江苏奥克化学有限公司 一种聚碳酸酯多元醇的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015856A1 (fr) * 1979-03-02 1980-09-17 Rhone-Poulenc Specialites Chimiques Copolyesters aromatiques thermotropes et leurs procédés de préparation
US4330664A (en) * 1979-12-26 1982-05-18 General Electric Company Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group
EP0432580A2 (de) * 1989-12-12 1991-06-19 Bayer Ag Zweistufen-Verfahren zur Herstellung von Polycarbonaten auf Basis von speziellen Dihydroxydiphenylalkanen
DE4038967A1 (de) * 1989-12-13 1991-06-20 Bayer Ag 2-stufen-verfahren zur herstellung von halogenarmen aromatischen polycarbonaten
EP0481296A2 (de) * 1990-10-17 1992-04-22 Bayer Ag Herstellung von lösungsmittelfreiem Polycarbonat durch Festphasenpolykondensation von Oligomeren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3014891A (en) * 1961-12-26 Resinous compositions
US3153008A (en) * 1955-07-05 1964-10-13 Gen Electric Aromatic carbonate resins and preparation thereof
US2964797A (en) * 1956-05-17 1960-12-20 Bayer Ag Wrapping foils of high molecular thermoplastic polycarbonates
US3282893A (en) * 1961-07-03 1966-11-01 Union Carbide Corp Process for preparing synthetic resins
US4297455A (en) * 1977-03-22 1981-10-27 Bayer Aktiengesellschaft Process for the preparation of carbonic acid aryl esters of polyester-diols lengthened via carbonate groups and their use for the preparation of polyester-diol bis-diphenol carbonates and polyester/polycarbonates
DE2837526A1 (de) * 1978-08-28 1980-03-20 Bayer Ag Verfahren zur herstellung von polymeren mit diphenolcarbonat-endgruppen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015856A1 (fr) * 1979-03-02 1980-09-17 Rhone-Poulenc Specialites Chimiques Copolyesters aromatiques thermotropes et leurs procédés de préparation
US4330664A (en) * 1979-12-26 1982-05-18 General Electric Company Polycarbonate transesterification with catalyst containing aluminum hydride or borohydride group
EP0432580A2 (de) * 1989-12-12 1991-06-19 Bayer Ag Zweistufen-Verfahren zur Herstellung von Polycarbonaten auf Basis von speziellen Dihydroxydiphenylalkanen
DE4038967A1 (de) * 1989-12-13 1991-06-20 Bayer Ag 2-stufen-verfahren zur herstellung von halogenarmen aromatischen polycarbonaten
EP0481296A2 (de) * 1990-10-17 1992-04-22 Bayer Ag Herstellung von lösungsmittelfreiem Polycarbonat durch Festphasenpolykondensation von Oligomeren

Also Published As

Publication number Publication date
NL9302110A (nl) 1994-07-01
JPH06206996A (ja) 1994-07-26
ITMI932479A1 (it) 1995-05-23
DE4240587A1 (de) 1994-06-09
IT1265214B1 (it) 1996-10-31
US5444148A (en) 1995-08-22
ITMI932479A0 (it) 1993-11-23
JP3218134B2 (ja) 2001-10-15

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RE Patent lapsed

Effective date: 20051231